Problem: A paper was published about a cross-sectional study that was conducted among US adolescents to examine their e-cigarette use and conventional cigarette smoking habits. They reported that the US results are consistent with those for Korean youths, with high levels of dual use in both populations. Also, they explored some of the strengths and limitations of the study. Which section of the published paper would this information be included? Need Online Tutoring? . Discussion . Results . Abstract . Conclusion